Ascorbic acid and prunasin, two candidate biomarkers for endodormancy release in almond flower buds identified by a nontargeted metabolomic study.

ABSTRACT: Temperate fruit trees belonging to Prunus species have the ability to suspend (induce dormancy) and resume growth periodically in response to environmental and seasonal conditions. Endodormancy release requires the long-term accumulation of chill. Upon accumulation of cultivar-specific chill requirements, plants enter the state of ecodormancy, which means the ability to grow has been restored, depending on the fulfilment of heat requirements. As many different metabolic pathways are implicated in endodormancy release, we have performed a metabolomic analysis, using the ultra-high-performance liquid chromatography-quadrupole time-of-flying (UPLC-QToF) technique. We assayed flower buds in different stages of endodormancy in four almond cultivars with different flowering times: the extra-earl

SUBMITTER: Guillamon JG 

PROVIDER: S-EPMC7705690 | biostudies-literature | 2020 Dec

REPOSITORIES: biostudies-literature